Hans-Peter Steinacher (born 9 September 1968 in Zell am See) is an Austrian sailor and Olympic champion.
He won a gold medal in the Tornado Class with Roman Hagara at the 2000 Summer Olympics in Sydney.
They won the gold medal again at the 2004 Summer Olympics in Athens.
This, to date, makes them Austria's the most successful summer sport athletes as the first professional Austrian sailing team.
Along with his teammate Roman Hagara, he has won the Austrian Sports Personality of the Year twice, in 2000 and 2004.